Hyundai Sonata: Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.
Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according
to the Maintenance Schedule at the beginning of this section.
CALIFORNIA PROPOSITION 65 WARNING
Engine oil contains ...
Checking the coolant level
WARNING
Removing radiator cap
Never attempt to remove the radiator cap while the engine is operating
or hot. Doing so might lead to cooling system and engine damage and could result
in se ...
See also:
To increase cruise control set speed
Follow either of these procedures:
Push the RES+ switch and hold it. Your vehicle will accelerate. Release
the switch at the speed you want.
Push the RES+ switch and release it immediatel ...
Trunk lid control switch
The trunk lid control switch is used to prevent unauthorized access to the trunk.
When the trunk lid control switch is UNLOCK position (),
the trunk can be unlocked with the trunk lid release ...
